Total Population.	Increase or Decrease (-).
1842 (1 January)	50,216*
1848 (1 January)	70,164	19,948
1851 (1 March)	70,130	- 34
1857 (31 March)	81,492	11,362
1861 (7 April)	89,977	8,485
1870 (7 Feb.)	99,328	9,351
1881 (3 April)	115,705	16,377